Jay Slater missing: Armchair detectives didn't bring Nicola Bulley home and won't find Tenerife teen
![Jay Slater missing: Armchair detectives didn't bring Nicola Bulley home and won't find Tenerife teen](https://i2-prod.mirror.co.uk/incoming/article33130854.ece/ALTERNATES/s615/0_Main-new2.jpg)
Armchair detectives think they can become 'heroes' when they post so-called evidence in missing person cases, but they're actually a risk to themselves, retired detective says